添加了标识更新

但是只有界面没有功能

BITKit/Scripts/Builder/NodeBuilder.cs

@@ -0,0 +1,59 @@
+using Godot;
+using System;
+// ReSharper disable MemberCanBePrivate.Global
+
+namespace BITKit;
+public partial class NodeBuilder : Node
+{
+	[Export] private bool clearOnStart = true;
+	[Export] private bool clearTemplateOnly = true;
+	[Export] private Control container;
+	[ExportCategory("UX")]
+	[Export] private Control emptyHints;
+	[ExportCategory("Template")]
+	[Export] private PackedScene template;
+
+	public override void _Ready()
+	{
+		if (clearOnStart)
+		{
+			Clear();
+		}
+	}
+
+	public Node Build()
+	{
+		var instance = template.Instantiate();
+		if (container is not null)
+		{
+			container.AddChild(instance);
+		}
+		else
+		{
+			AddChild(instance);
+		}
+		emptyHints?.Hide();
+		return instance;
+	}
+	public T Build<T>() where T : Node
+	{
+		var instance = Build() as T;
+		return instance;
+	}
+	public void Clear()
+	{
+		emptyHints?.Show();
+		if (clearTemplateOnly)
+		{
+			foreach (var x in container is not null ? container.GetChildren() : GetChildren())
+			{
+				if(x.SceneFilePath == template.ResourcePath)
+					x.QueueFree();
+			}
+		}
+		else
+		{
+			MathNode.ClearChild(container is not null ? container:this);
+		}
+	}
+}